diff --git a/lib/private/DB/ConnectionFactory.php b/lib/private/DB/ConnectionFactory.php
index 2429eeb142fa3..a81a453ce4c30 100644
--- a/lib/private/DB/ConnectionFactory.php
+++ b/lib/private/DB/ConnectionFactory.php
@@ -189,6 +189,8 @@ public function createConnectionParams(string $configPrefix = '', array $additio
 		//additional driver options, eg. for mysql ssl
 		$driverOptions = $this->config->getValue($configPrefix . 'dbdriveroptions', $this->config->getValue('dbdriveroptions', null));
 		if ($driverOptions) {
+			$rootCertPath = $driverOptions[PDO::MYSQL_ATTR_SSL_CA] ?? $this->config->getValue('default_certificates_bundle_path', null) ?? '';
+			$driverOptions[PDO::MYSQL_ATTR_SSL_CA] = $rootCertPath;
 			$connectionParams['driverOptions'] = $driverOptions;
 		}